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taurus [48]
2 years ago
12

Any one can help me

Mathematics
1 answer:
Darya [45]2 years ago
3 0

Answer:

13  26.25 yd^2

14  16 cm^2

Step-by-step explanation:

The area of a trapezoid is found by

A = 1/2 (b1+b2) *h

13.The bases are 3 and 4  and the height is 7.5

 A = 1/2(3+4) * 7.5

     = 1/2 (7) (7.5)

      = 26.25 yd^2

14.  The bases are 6 and 4 and the height is 3.2

A = 1/2 (6+4) * 3.2

   = 1/2 (10)*3.2

   = 16 cm^2

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(U2.04 LC)
Neko [114]

Answer:

The value of x is 4.

Step-by-step explanation:

Given:

In ΔABC

m∠A = 10x+9

m∠B = 34°

m∠C = 97°

To Find:

x= ?

Solution:

Triangle sum property:

In a Triangle sum of the measures of all the angles of a triangle is 180°.

\angle A+\angle B+\angle C=180\\\\10x+9+34+97=180\\\therefore 10x=180-140=40\\\\\therefore x=\dfrac{40}{10}=4\\\\\therefore x=4

The value of x is 4.

6 0
3 years ago
A theater has 358 seats on the main level and 122 seats in the balcony.There are 6 shows each day.What is the greatest number of
Alika [10]
The answer is 2,880 

First you would Add 358 and 122.

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Then multiply 480 by 6 (The days the show is playing)

480*6= 2,880
8 0
3 years ago
Read 2 more answers
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation
Alexxx [7]
Ok

y=-0.04x^2+8.3x+4.3
when the rocket reaches the ground (when height=0, ie when y=0), then the rocket will land, find the x coordinate

set y=0
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use quadratic formula
if you have ax^2+bx+c=0, then
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}
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b=8.3
c=4.3
x=\frac{-8.3+/- \sqrt{8.3^{2}-4(-0.04)(8.3)} }{2(-0.04)}
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xrepresents horizontal distance
you cannot have a negative horizontal distance unless you fired and theh wind blew it backwards
therefor x=280.017 is the answer
208.02 m


7 0
3 years ago
What is the slope of the line that
shutvik [7]

Answer:

5/2

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
How many times larger is 9 × 10^9 than 3 x 10^-4
ratelena [41]
<span>   9 × 10^9
---------------- = 3 x 10^13
  </span><span>3 x 10^-4 

answer
3 x 10^13 times larger</span>
3 0
2 years ago
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